This might be an answer of the type I hate to get from my dear one: "Where're the scissors?" "Have you looked in the drawer where we keep the scissors?" but anyway: Did you follow Edvinas steps in this thread (second post)?

Did you put the the switch Auto focus/manual focus on the body near the lens to manual ? Took me some time to figure outwhy the DL did not take a picture when pushing. :?( K bajonet panagor automacro converter and a Chinon 50 mm 1.6 K lens .)